The Netx IRQs offset from zero, which is illegal, since Linux
IRQ 0 is NO_IRQ.
Acked-by: NSascha Hauer <s.hauer@pengutronix.de>
Reviewed-by: NJamie Iles <jamie@jamieiles.com>
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>